diff --git a/README.md b/README.md
index d013244..cac7f8c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 ## e3nn_tetris
 
+Depends on https://github.com/e3nn/e3nn/pull/455
+
+
 ### Train
 
 ```python